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YS/T 764-2011 Determination equipment for the thermal expansion coefficient of carbonaceous materials used in the production of aluminium 180 (USD) via email in 1-3 business day VALID
YS/T 763-2011 Graphitized coke produced by electrical calciner 120 (USD) via email in 1-3 business day ABOLISHED
YS/T 63.4-2006 Carbonaceous material used in the production of aluminium -- Part 4 : Determination of the thermal expansion coefficient 90 (USD) via email in 1-3 business day VALID
YS/T 842-2012 Petroleum coke for graphitized cathode carbon block 120 (USD) via email in 1-3 business day VALID
YS/T 63.6-2006 Carbonaceous materials used in the production of aluminium?Part 6:Determination of open porosity using a hydrostatic method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YB 2809-1978 Carbon anode 30 (USD) via email in 1 business day VALID
YS/T 63.3-2016 Carbonaceous materials used in the production of aluminium—Part 3:Determination of the thermal conductivity—Comparative method 120 (USD) via email in 1-3 business day VALID
YS/T 65-1993 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.2-2007 Methods for chemical analysis of bauxite Part 2:Determination of silicon dioxide content Gravimetric-molybdenum blue photometric mehtod via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 587.9-2006 Calcined coke for prebaked blocks?Testing methodsd?Part 9:Determination of real density via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 575.8-2007 Methods for chemical analysis of bauxite Part 8:Determination of magnesium oxide content Flame atomic absorption spectorphotometric method 120 (USD) via email in 1-3 business day VALID
YB/T 4037-2005 Partial graphite carbon block for blast furnace 150 (USD) via email in 1-3 business day ABOLISHED
YS/T 63.8-2006 Carbonaceous materials used in the production of aluminium?Part 8:Determination of the density in xylene by a pyknometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 575.22-2007 Methods for chemical analysis of bauxite Part 22:Determination of hydroscopic moisture on gravimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 575.6-2007 Methods for chemical analysis of bauxite Part 6:Determination of titanium dioxide content Diantipyrylmethane photometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 285-1998 Anode carbon for aluminium electrolysis 120 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.5-2007 Methods for chemical analysis of bauxite Part 5:Determination of iron oxide content-Orthophenanthroline photometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 63-1993 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 699-2009 Graphitized cathode carbon block for aluminum electrolysis 120 (USD) via email in 1-3 business day ABOLISHED
YS/T 966-2014 Electrical calcined anthracite for cathode blocks 100 (USD) via email in 1 business day VALID
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